condition mean min max 4 h after light 0.5489269999999999 0.412879 0.684975 8 h after light 0.607154 0.467377 0.746931 12 h after light 0.365263 0.246485 0.484041 4 h after dark 0.45465466666666665 0.384918 0.527078 8 h after dark 0.6159476666666667 0.547269 0.718215 12 h after dark 0.779273 0.422239 1.42163